* {
  margin: 0;
  padding: 0;
}

.header-box {
  box-shadow: 0 2px 1px #999;
  padding-top: 20px;
  margin-bottom: 10px;
  height: 140px;
}

header {
  width: 1200px;
  margin: auto;
  text-align: left;
}

.top {
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top img {
  width: 188px;
}

.search-box {
  display: flex;
  margin-right: 100px;
  background-color: #fff;
  z-index: 1001;
}

.search-box input {
  width: 400px;
  height: 40px;
  padding-left: 15px;
}

.search-box button {
  width: 89px;
  height: 44px;
  background-color: #fff;
  color: black;
  border-color: #dcdfe6;
}
.nav-box {
  width: 100%;
  padding: 20px 0;
  background-color: #fff;
  z-index: 1000;
  box-shadow: 0 2px 1px #999;
}
.navs {
  width: 1200px;
  margin: auto;
}
a {
  text-decoration: none;
  color: black;
  margin: 10px;
  padding: 0 6px 4px;
  font-weight: bold;
}
.active{
  color: blueviolet !important;
  border-bottom: 2px solid blueviolet;
}
